class Student(object):
    def __init__(self,name,gender,tel):
        self.name = name
        self.gender = gender
        self.tel = tel
    def __str__(self):
        return f"学员{self.name},性别为{self.gender},手机号是{self.tel}"

if __name__ == '__main__':
    print(Student('aa','男','1234567899'))